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1 // Copyright (c) 2014 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/browser/renderer_host/legacy_render_widget_host_win.h" | 5 #include "content/browser/renderer_host/legacy_render_widget_host_win.h" |
6 | 6 |
7 #include "base/command_line.h" | 7 #include "base/command_line.h" |
8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
9 #include "base/win/windows_version.h" | 9 #include "base/win/windows_version.h" |
10 #include "content/browser/renderer_host/legacy_render_widget_host_win_delegate.h
" | 10 #include "content/browser/renderer_host/legacy_render_widget_host_win_delegate.h
" |
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155 // enable screen reader support. | 155 // enable screen reader support. |
156 BrowserAccessibilityState::GetInstance()->OnScreenReaderDetected(); | 156 BrowserAccessibilityState::GetInstance()->OnScreenReaderDetected(); |
157 return static_cast<LRESULT>(0L); | 157 return static_cast<LRESULT>(0L); |
158 } | 158 } |
159 | 159 |
160 if (OBJID_CLIENT != obj_id) | 160 if (OBJID_CLIENT != obj_id) |
161 return static_cast<LRESULT>(0L); | 161 return static_cast<LRESULT>(0L); |
162 | 162 |
163 base::win::ScopedComPtr<IAccessible> native_accessible( | 163 base::win::ScopedComPtr<IAccessible> native_accessible( |
164 delegate_->GetNativeViewAccessible()); | 164 delegate_->GetNativeViewAccessible()); |
165 if (!native_accessible) | 165 if (!native_accessible.get()) |
166 return static_cast<LRESULT>(0L); | 166 return static_cast<LRESULT>(0L); |
167 | 167 |
168 return LresultFromObject(IID_IAccessible, w_param, | 168 return LresultFromObject(IID_IAccessible, w_param, |
169 static_cast<IAccessible*>(native_accessible.Detach())); | 169 static_cast<IAccessible*>(native_accessible.Detach())); |
170 } | 170 } |
171 | 171 |
172 // We send keyboard/mouse/touch messages to the parent window via SendMessage. | 172 // We send keyboard/mouse/touch messages to the parent window via SendMessage. |
173 // While this works, this has the side effect of converting input messages into | 173 // While this works, this has the side effect of converting input messages into |
174 // sent messages which changes their priority and could technically result | 174 // sent messages which changes their priority and could technically result |
175 // in these messages starving other messages in the queue. Additionally | 175 // in these messages starving other messages in the queue. Additionally |
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366 // generate the legacy WM_VSCROLL/WM_HSCROLL messages. | 366 // generate the legacy WM_VSCROLL/WM_HSCROLL messages. |
367 // We add these styles to ensure that trackpad/trackpoint scrolling | 367 // We add these styles to ensure that trackpad/trackpoint scrolling |
368 // work. | 368 // work. |
369 long current_style = ::GetWindowLong(hwnd(), GWL_STYLE); | 369 long current_style = ::GetWindowLong(hwnd(), GWL_STYLE); |
370 ::SetWindowLong(hwnd(), GWL_STYLE, | 370 ::SetWindowLong(hwnd(), GWL_STYLE, |
371 current_style | WS_VSCROLL | WS_HSCROLL); | 371 current_style | WS_VSCROLL | WS_HSCROLL); |
372 return 0; | 372 return 0; |
373 } | 373 } |
374 | 374 |
375 } // namespace content | 375 } // namespace content |
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